Measuring instrument for heart rate



1. Measuring instrument for heart rate

1.1 is a front plan view;

1.2 is a rear plan view;

1.3 is a left side view;

1.4 is a top plan view;

1.5 is a bottom plan view;

1.6 is a front and left side perspective view;

1.7 is a rear and right side perspective view;

1.8 is a front, right side, and top perspective view;

1.9 is a second rear and right side perspective view; and

1.10 is a right side view. 

CLAIM The ornamental design for a measuring instrument for heart rate, as shown and described. 